Mahabharata 4.47.13

संप्रवृत्ते तु संग्रामे भावाभावौ जयाजयौअवश्यमेकं स्पृशतो दृष्टमेतदसंशयम्

saṃpravṛtte tu saṃgrāme bhāvābhāvau jayājayauavaśyamekaṃ spṛśato dṛṣṭametadasaṃśayam

Our plain-language meaning of this verse is waiting for scholar review.